From 5353f22ed7a0568f32d880331a6d56f3632ccc8e Mon Sep 17 00:00:00 2001
From: Martin Willi <martin@strongswan.org>
Date: Thu, 17 Jul 2008 11:06:31 +0000
Subject: [PATCH] fixed potential segfault in resolve_hosts

---
 src/charon/sa/ike_sa.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/charon/sa/ike_sa.c b/src/charon/sa/ike_sa.c
index 41e4316b7..9ffc8d935 100644
--- a/src/charon/sa/ike_sa.c
+++ b/src/charon/sa/ike_sa.c
@@ -1058,7 +1058,10 @@ static void resolve_hosts(private_ike_sa_t *this)
 		host->destroy(host);
 		host = charon->kernel_interface->get_source_addr(
 								charon->kernel_interface, this->other_host);
-		host->set_port(host, IKEV2_UDP_PORT);
+		if (host)
+		{
+			host->set_port(host, IKEV2_UDP_PORT);
+		}
 	}
 	if (host)
 	{